Moving

In Move mode, click and drag a zsphere to reposition it. Its gray link-spheres will extend as necessary.

ZSpheres_move

Click and drag a gray link-sphere to extend it and move all its child zspheres.

ZSpheres_moveLink

Alt+click a gray link-sphere to move the chain without stretching the links. This can be useful for natural-linked posing.

ZSpheres_ALTmove